Tokyo travel: 11 things to know before you go

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Tokyo travel: 11 things to know before you go – In 2015, 19.7 million tourists visited Japan. Tokyo's winning bid for the 2020 Olympics is expected to keep that ball rolling.

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Shinto remains important – Sanja Matsuri (shrine maidens perform here) is considered one of the wildest and largest of Tokyo's three great Shinto festivals.

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If you can't go in fall, consider spring – In fall, autumn colors bring life to Tokyo's many parks and hearty, seasonal foods are the order of the day. The other quintessential time to visit is spring, when cherry blossoms, or "sakura," bloom from late March to early April.

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The sushi really is that good – Visit Tokyo and you, too, will be one of those insufferable diners who can't eat sushi back home without saying, "It's good, but it's nothing like the maguro I had in Japan." Don't worry, we understand.

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One card is good for all trains and buses – As of March 2013, paying fares got even easier; a single card became usable for trains and buses throughout the country. You can get one as soon as you arrive in Tokyo from almost any ticket machine.

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That word you keep hearing is 'welcome' – Whether it's sweaty, aproned guys shouting in unison as you walk into a lively restaurant or one perfectly coiffed woman murmuring as you enter the hush of a small boutique, they're saying the same thing: "Irasshaimase." It's a polite way of saying "welcome."

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There are pockets of quiet everywhere – From temples hidden between office buildings to the tree-lined canal that runs the length of Nakameguro, you're never far from an oasis of calm in the frantic city.

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Smoke inside, drink outside – The smaller and homier a bar or restaurant, the more likely it is to be smoker-friendly. Street patrols, however, stop people who engage in aruki-tabako, or "walking-smoking." Meanwhile, cracking open a beer or can of boozy chu-hai on the walk or train home is a cherished tradition.

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It's not an easy city for vegetarians – For a quick veggie meal, you usually have to be vigilant. A "vegetable sandwich" may have a sneaky slice of ham in it, and pasta with "no meat" could be studded with chunks of bacon. "Meat" tends to mean "beef."

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Walk right -- on the left – Pedestrians on wide sidewalks follow the unspoken rule of staying to the left almost as strictly as cars (also on the left) do.

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Clear umbrellas are the best umbrellas – Convenience stores will put their stock by the door. The clerk will offer to unwrap it for you if you're using it right away. Hold on tightly, but let go lightly; umbrellas are the one item that's frequently stolen in Tokyo.

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Story highlights

In 2015, 19.7 million tourists visited Japan

Whether bright and modern or creaky and old, all public baths cost ¥450

Travelers can buy a single card to ride all trains and buses

(CNN)The surge in international tourists heading for Japan shows no signs of slowing.

In 2015, 19.7 million tourists visited the country -- an all-time high that's partly attributed to the city's successful bid for the 2020 Olympics.

2. Walk right -- on the left

With more than 35 million people, greater Tokyo is one of the most densely populated urban centers in the world.

Yet crowds are orderly.

Everyone waits until the light changes to cross the street.

Pedestrians on wide sidewalks follow the unspoken rule of staying to the left almost as strictly as cars (also on the left) do.

Exception: On Tokyo escalators, stand on the left and walk on the right. (Around Osaka, escalator etiquette is reversed.)

3. Drink outside, smoke inside

The more enclosed a space is, the more likely you'll be allowed to smoke there.

The "shinkansen," or bullet train, is still a thrill to see speeding through Tokyo.

The smaller and homier a bar or restaurant, the more likely it is to be smoker-friendly.

Many bullet trains still have smoking cars.

On the other hand, smoking is prohibited on many sidewalks (look for signs stenciled on the sidewalk), except around public ashtrays.

Street patrols stop people who engage in aruki-tabako, or "walking-smoking."

Cracking open a beer or can of fruity, boozy chu-hai on the walk or train home, however, is a cherished tradition.

4. One card is good for all trains and buses

The Tokyo train system is actually a network of three train companies.

But rechargeable Suica and Pasmo cards let riders seamlessly touch their way in and out of all lines.

You can get one as soon as you arrive in Tokyo from almost any ticket machine.

The ¥500 deposit (a little over $5) for the card is refundable.

The time you save not calculating ticket costs makes it worthwhile even if you keep the card as a souvenir.

5. There are pockets of quiet everywhere

From temples hidden between office buildings (Hanazono Shrine in Shinjuku is a favorite of these) to the tree-lined canal that runs the length of Nakameguro, you're never far from an oasis of calm in the frantic city.

Winding residential streets lined with walled gardens are often just a block away from busy main roads.

If you take a detour down a little unmarked road (most Japanese streets are unnamed) chances are you'll discover a tiny cafe, quirky neighborhood art project or a jumble of ultramodern condos and rickety ancient architecture.

6. Japanese bathhouses

Public bathhouses, or sento, are a soothing holdover from a time when most homes didn't have bathtubs.

Whether it's a bright, modern place in Omotesando with fizzy water and fancy soap or a creaky neighborhood bath with a coin-operated hairdryer that's been bolted to the floor since the 1960s, all public baths cost ¥460.

The Tokyo Sento Association is redoubling efforts to make them foreigner friendly ahead of the Olympics by posting etiquette and instruction cards in four languages.

7. That word you keep hearing is 'welcome'

Sushi will never taste the same after you've left Tokyo.

After a few days in Tokyo, you might find yourself asking, "What's that thing they always say when I walk in?"

Whether it's sweaty, aproned guys shouting in unison as you walk into an izakaya (lively restaurants that serve alcohol with lots of small dishes) or one perfectly coiffed woman murmuring as you enter the hush of a small boutique, they're saying the same thing: "Irasshaimase."

8. The sushi really is that good

The famous tuna auction at Tsukiji market starts just after 5 a.m., but the day's 120 free tickets are often all snapped up as early as 4.

Whether you get to the auction or not, the market and surrounding shops will be springing to life around that time -- it's the best place to enjoy an early morning plate of the freshest sushi you've ever tasted.

You need not be there that early, but many of the hundreds of shops start to close by 1 p.m.

Visit and you, too, will be one of those insufferable diners who can't eat sushi back home without saying, "It's good, but it's nothing like the maguro I had in Japan."

9. How to get Free WiFi

Signs everywhere announce free WiFi -- if you already have a contract with the provider.

But the increase in tourists -- along with preparations for the 2020 Olympic Games -- has led both the municipal and national governments to focus on increasing access to Wifi, reports the Japan Times.

For instance, Japan Connected-free Wi-Fi, launched in 2014, is an app that offers access to over 140,000 hotspots. All you have to do is register an email address.

Not good enough?

Instead of renting a SIM card, many travelers find that renting a pocket WiFi at the airport to use with their own smartphones is the best way to get online.

10. Bacon turns up everywhere

Japan has a long tradition of Buddhist vegetarian cuisine called shojin ryori. It is painstakingly prepared and served on fine lacquerware and ceramics.

It's worth experiencing (Michelin-starred Itosho is outstanding) and guaranteed to be vegetarian, but it's expensive and a time-consuming affair.

For a quick veggie meal, you usually have to be vigilant. A "vegetable sandwich" may have a sneaky slice of ham in it, and pasta with "no meat" could be studded with chunks of bacon. "Meat" tends to mean "beef."

Running down a list of every animal product that you'd like to avoid is the only way to be sure. And your potato salad might still come with bacon.

11. Clear umbrellas are the best umbrellas

Into every vacation a little rain must fall.

If you're in Japan when it does, lucky you -- it's a perfect opportunity to pick up a clear umbrella.

It's such a simple innovation, you wonder why they haven't caught on elsewhere.

Once the first drops of rain hit the street, you'll find them everywhere.

Convenience stores will put their stock by the door. One costs between ¥300 and ¥500.

The clerk will offer to unwrap it for you if you're using it right away. Hold on tightly, but let go lightly; umbrellas are the one item that's frequently stolen in Tokyo.